package org.redmagic;

import java.util.Set;

/**
 * A {@link PlaceholderExtractor} is used to pull out
 * all of the placeholders within a string.  The algorithm
 * depends on the implementation style.  Some might resolve
 * nested properties, while others can only handle first level
 * placeholders.
 */
public interface PlaceholderExtractor {

	public Set<String> extractPlaceholders(String strValue);
}